Erysiphe pannosa Wallr. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Erysiphaceae genus Podosphaera species Podosphaera pannosa Name Homonyms Erysiphe pannosa (Wallr.) Link Erysiphe pannosa (Wallr.) Fr. Erysiphe pannosa Wallr.